Publication: Preventive effects of genistein on leukocyte adhesion in femur venules and on bone-loss induced in ovariectomized female rats
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Issued Date
2008
Resource Type
File Type
application/pdf
ISSN
13860291
Other identifier(s)
2-s2.0-42049099042
Rights Holder(s)
Scopus
Bibliographic Citation
Clinical Hemorheology and Microcirculation. Vol 38, No.4 (2008), p.235-243
Suggested Citation
Kasiyaphat A., Siriviriyakul P., Patumraj S. Preventive effects of genistein on leukocyte adhesion in femur venules and on bone-loss induced in ovariectomized female rats. Clinical Hemorheology and Microcirculation. Vol 38, No.4 (2008), p.235-243. Retrieved from: https://hdl.handle.net/20.500.14740/4048
Author(s)
Abstract
This study was aimed to examine effects of genistein on leukocyte adhesion in femur microcirculation in relation to bone-loss induced in ovariectomized female rats. Sixty-four female Wistar rats were divided into 4 groups: sham (daily treated with vehicle; DMSO, sc; 100 μl/day), ovariectomized rat treated with vehicle (OVXveh), 17β-estradiol treated-ovariectomized rat (OVXE2, 5 μg/kg/day, sc) and genistein treated-ovariectomized rat (0.25 mg/kg/day, sc; OVXgen). One and three weeks after the ovariectomy, blood flow perfusion (BF) in femur tissue was measured using laser Doppler flowmetry. Leukocyte adhesion in femur venules (15-30 μm in diameter) of each group was evaluated by intravital fluorescence videomicroscopy. The bone mineral content (BMC) was measured and expressed in terms of ratio of ash-to-dry matter weight. Serum osteocalcin and alkaline phosphatase levels were determined using chemiluminescence immunoassay. In both one and three week-OVXveh, leukocyte adhesion increased significantly, compared to their age-matched sham groups, but it decreased significantly in OVXgen, compared to OVXveh (p<0.05). In three week-OVXgen, both BF and BMC increased significantly, but osteocalcin and alkaline phosphatase levels decreased, compared to those of three week-OVXveh. In conclusion, genistein supplementation could effectively prevent bone-loss and microvascular endothelial dysfunction induced by estrogen deficiency. © 2008 - IOS Press and the authors. All rights reserved.
Subject(s)
Alkaline phosphatase
Dimethyl sulfoxide
Estradiol
Genistein
Osteocalcin
Alkaline phosphatase blood level
Animal experiment
Animal tissue
Article
Bone blood flow
Bone mineral
Chemoluminescence
Controlled study
Drug effect
Female
Femur
Fluorescence
Immunoassay
Laser Doppler flowmetry
Leukocyte adherence
Microcirculation
Nonhuman
Ossification
Osteolysis
Ovariectomy
Rat
Animals
Bone and Bones
Bone Density
Cell Adhesion
Disease Models, Animal
Female
Femur
Genistein
Leukocytes
Microscopy, Video
Ovariectomy
Phytoestrogens
Rats
Rats, Wistar
Venules
Dimethyl sulfoxide
Estradiol
Genistein
Osteocalcin
Alkaline phosphatase blood level
Animal experiment
Animal tissue
Article
Bone blood flow
Bone mineral
Chemoluminescence
Controlled study
Drug effect
Female
Femur
Fluorescence
Immunoassay
Laser Doppler flowmetry
Leukocyte adherence
Microcirculation
Nonhuman
Ossification
Osteolysis
Ovariectomy
Rat
Animals
Bone and Bones
Bone Density
Cell Adhesion
Disease Models, Animal
Female
Femur
Genistein
Leukocytes
Microscopy, Video
Ovariectomy
Phytoestrogens
Rats
Rats, Wistar
Venules
